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import { it, expect } from "vitest";
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import { env, exports as workerExports } from "cloudflare:workers";
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import { uniqueRepoId } from "./util/test-helpers";
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import { setupRepoForTests } from "./util/repoSeed";
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import { seedPackFirstRepo } from "./util/pack-first";
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import { decodePktLinePayloads } from "./util/fetch-protocol";
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it("advertises streaming receive-pack capabilities including side-band-64k", async () => {
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  const owner = "o";
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  const repo = uniqueRepoId("r-recv-adv");
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  const seeded = await setupRepoForTests(env, owner, repo);
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  const repoId = `${owner}/${repo}`;
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  await seedPackFirstRepo(repoId);
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  const url = new URL(`https://example.com/${owner}/${repo}/info/refs`);
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  url.searchParams.set("service", "git-receive-pack");
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  const res = await workerExports.default.fetch(
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    new Request(url, {
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      method: "GET",
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      headers: { Authorization: seeded.pushAuthHeader },
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    })
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  );
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  expect(res.status).toBe(200);
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  expect(res.headers.get("Content-Type")).toContain("git-receive-pack-advertisement");
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  const bytes = new Uint8Array(await res.arrayBuffer());
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  const lines = decodePktLinePayloads(bytes);
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  // First line should be the prelude
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  expect(lines[0]).toBe("# service=git-receive-pack\n");
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  // Capabilities are on the first ref line after the flush
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  const capsLine = lines.find((l) => l.includes("\0")) || "";
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  expect(capsLine).toContain("atomic");
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  expect(capsLine).toContain("report-status");
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  expect(capsLine).toContain("ofs-delta");
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  expect(capsLine).toContain("agent=git-on-cloudflare/0.1");
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  // Streaming capabilities are always advertised
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  expect(capsLine).toContain("side-band-64k");
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  expect(capsLine).toContain("quiet");
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});
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it("advertises receive-pack over .git info/refs", async () => {
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  const owner = "o";
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  const repo = uniqueRepoId("r-recv-adv-dotgit");
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  const seeded = await setupRepoForTests(env, owner, repo);
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  const repoId = `${owner}/${repo}`;
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  await seedPackFirstRepo(repoId);
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  const url = new URL(`https://example.com/${owner}/${repo}.git/info/refs`);
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  url.searchParams.set("service", "git-receive-pack");
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  const res = await workerExports.default.fetch(
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    new Request(url, {
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      method: "GET",
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      headers: { Authorization: seeded.pushAuthHeader },
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    })
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  );
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  expect(res.status).toBe(200);
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  expect(res.headers.get("Content-Type")).toContain("git-receive-pack-advertisement");
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});